SAN DIEGO The estranged wife of disgraced former congressman Randy "Duke" Cunningham will be left destitute but won't face prosecution for her role in the bribery scandal that landed him in federal prison. Under terms of a settlement deal filed Friday in San Diego federal court, Nancy Cunningham will be held liable for nearly $1.7 million in back taxes and penalties to the federal government but will not face criminal charges relating to her husband's activities. The federal government had filed civil claims against her last year. "This was a compromise settlement," said her attorney, Douglas Brown. Brown said Nancy...